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One hole is punched through the small folded piece after a square sheet is folded in half four times as shown. How many holes will there be when the sheet is opened out?

Competition practicePaper Folding & Punching
  • A8
  • B16
  • C4
  • D32

Step-by-Step Solution

Each fold doubles the number of layers: layers. The punch goes through all of them, so the opened sheet has 16 holes.
Answer: B) 16

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